I keep an Oregon Scientific WR102 in the trailer ... and yes, it has "SAME" programming ... but unless you are traveling down a "beaten path" where you know the 6-digit SAME code for the area in which you are currently camping (and codes for surrounding counties) ... it's hard to set your SAME selection.
A few years ago, we bought Oregon Scientific base-station all-hazard weather radios for ourselves and our married kids ... and keep them queued-up and running in our respective bedrooms in our respective homes.
The home-base radios aren't "SAME" radios ... but because we live in the country, we don't get too many "middle of the night" alarms ... although it doesn't bother me to be awaken in the middle of a night and informed about a tornado sighted three counties over. Sometimes a series of middle of the night, multiple county severe thunderstorm weather alerts gets a bit trying ... but still, I figure it's better to be informed ... and semi-awake during the periods.
I'd highly recommend the battery
operated WR102 ... especially for carrying in the trailer.
Because we, too, live in tornado zone ... I'd recommend everyone pick up a home-based weather alert radio also. Looking online, I don't think the Oregon Scientific base-station weather alert radio is available ... but the portable WR102 still is